The scope of activities under this topic should cover the following aspects:

• Uncertainty analysis and quality control with supportive case studies at various levels (national to European and global), and delivery domains (public and private).
• Preparation of metadata guidelines to document in a comparative and transparent manner climate service data sources and processing methodologies, as well as decision-making based on these services, and support FAIR data management practices.
• Development of good practices, guidance, and standardization of climate information and verification methods for long-term forecast products.
• Definition of verification and certification methods to enhance quality and usability of climate services, including methods for the evaluation of their effectiveness.
• Coordination and promotion of European climate service activities, encouraging open exchange of knowledge, expertise and data and providing a science-user communication platform and improving synergies between regional, national, European and international activities.
• Development of appropriate business models and knowledge brokerage activities to support scale-up and replication of climate services.

Actions should develop interdisciplinary and transdisciplinary activities. Regular engagement with stakeholders should be foreseen to consider applications in case studies, and to test, benefit and allow replication and upscaling of the results.